Finding the Fourth Proportional to 88,660.10, 132,990.15 and 42,004.10

Step by Step Solution

1. Step 1: Write the proportion equation
   88,660.10 : 132,990.15 = 42,004.10 : x
2. Step 2: Convert to fraction form
   88,660.10/132,990.15 = 42,004.10/x
3. Step 3: Cross multiply
   88,660.10x = 132,990.15 × 42,004.10
4. Step 4: Simplify right side
   88,660.10x = 5,586,131,559.62
5. Step 5: Solve for x
   x = 5,586,131,559.62/88,660.10
6. Step 6: Final answer
   x = 63,006.15